Ключевые слова:
Metal sections, Erecting (construction operation), Steels, Purchasing, Fasteners, Approval testing, Metalworking, Welded joints, Structural design, Grades (quality), Welding, Tolerances (measurement), Structures, Construction operations, Structural steels, Documents, Structural systems, Bridges, Corrosion protection, Structural members, Surface treatment, Quality control, Buildings, Inspection